return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3CHCl2 (Ethane, 1,1-dichloro-)

using model chemistry: B1B95/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/STO-3G
 hartrees
Energy at 0K-988.143856
Energy at 298.15K-988.148304
Nuclear repulsion energy203.863229
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B1B95/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3527 3115 2.43      
2 A' 3400 3002 0.71      
3 A' 3344 2953 1.88      
4 A' 1640 1448 4.97      
5 A' 1545 1364 3.56      
6 A' 1382 1220 16.94      
7 A' 1179 1041 10.80      
8 A' 1063 939 17.58      
9 A' 703 621 12.61      
10 A' 401 354 5.63      
11 A' 265 234 4.08      
12 A" 3514 3103 2.76      
13 A" 1646 1454 2.59      
14 A" 1316 1162 50.21      
15 A" 1156 1021 38.31      
16 A" 825 728 64.65      
17 A" 302 267 0.33      
18 A" 230 203 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 13718.9 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 12113.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B1B95/STO-3G
ABC
0.20707 0.10010 0.07147

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.216 0.512 0.000
C2 -0.996 1.464 0.000
H3 1.181 1.056 0.000
Cl4 0.216 -0.529 1.512
Cl5 0.216 -0.529 -1.512
H6 -1.933 0.893 0.000
H7 -0.957 2.099 0.896
H8 -0.957 2.099 -0.896

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 H6 H7 H8
C11.54141.10811.83541.83542.18232.16822.1682
C21.54142.21462.78002.78001.09771.09921.0992
H31.10812.21462.39382.39383.11802.54242.5424
Cl41.83542.78002.39383.02322.98742.94373.7531
Cl51.83542.78002.39383.02322.98743.75312.9437
H62.18231.09773.11802.98742.98741.79201.7920
H72.16821.09922.54242.94373.75311.79201.7929
H82.16821.09922.54243.75312.94371.79201.7929

picture of Ethane, 1,1-dichloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.437 C1 C2 H7 109.243
C1 C2 H8 109.243 C2 C1 H3 112.385
C2 C1 Cl4 110.526 C2 C1 Cl5 110.526
H3 C1 Cl4 106.183 H3 C1 Cl5 106.183
Cl4 C1 Cl5 110.892 H6 C2 H7 109.311
H6 C2 H8 109.311 H7 C2 H8 109.278
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.011      
2 C -0.222      
3 H 0.138      
4 Cl -0.124      
5 Cl -0.124      
6 H 0.110      
7 H 0.106      
8 H 0.106      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.318 2.583 0.000 2.603
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.557 0.153 0.000
y 0.153 -34.282 0.000
z 0.000 0.000 -39.475
Traceless
 xyz
x 2.321 0.153 0.000
y 0.153 2.735 0.000
z 0.000 0.000 -5.056
Polar
3z2-r2-10.112
x2-y2-0.275
xy0.153
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.757 -0.212 0.000
y -0.212 2.761 0.000
z 0.000 0.000 4.338


<r2> (average value of r2) Å2
<r2> 151.317
(<r2>)1/2 12.301